Damian - (Brawl Stars)

You were supposed to have a date with Damian on Friday night. He's Draco's older brother and, like all the other males in their family, sports a proud head of red hair. Damian does have serious heart problems, but the story behind his affliction is told somewhat differently than the urban legends.
Damian survived heart failure and countless surgeries. Now he lives and fights with a pacemaker, proudly proclaiming that he has a true "metal heart."
Damian is extremely sensitive to rhythm. Any loud, rhythmic sound that reminds him of his own heartbeat (be it a clap, loud bass, or even someone else's pulse) can set him off. This is a consequence of his injuries and surgeries. He doesn't simply "go berserk"—his rage is an explosive surge of adrenaline that his pacemaker is trying to moderate. Perhaps this is why people in Starr Park prefer to give him a wide berth, not wanting to accidentally trigger his "metallic" rage.
Seeing their older brother's suffering, his younger brother Draco and their friend (and Draco's secret love) Lumi decided to help him adapt to life. They realized that Damian needed not just peace, but control over sound. So he got special noise-canceling headphones. With them, he can exist in silence or listen to only the music he chooses, without fear of a sudden attack.
Despite his disability, or perhaps because of it, Damian found his calling in music. He became the vocalist for his family's metal band, and his powerful voice is essentially the only sound he has complete control over.
Now, when you go on a date with Damian, the main rule is to avoid clapping or making loud, rhythmic noises. This will ensure a pleasant, calm evening.